Plagiarism Checker

Submit text with permission when originality checking is available. Review the similarity score and source links in context.

Use the report to identify possible similarities in the provider's coverage and review quotations or references yourself.

  • 100% free
  • No registration
  • Uses a server
  • Modern browser
  1. 1Enter details
  2. 2Adjust options
  3. 3View result

Your text is sent to an external originality checking service. Submit only content you have permission to share. Results identify similarities for review; they do not prove plagiarism or authorship. Scan results expire after 24 hours. Clearing this page does not cancel an already submitted check.

Your input is sent to a server or external service to complete this request. Avoid submitting sensitive information.

About Plagiarism Checker

Use the report to identify possible similarities in the provider's coverage and review quotations or references yourself.

Consent gate

The workspace requires permission before sending text to an external service.

Source report

Results can include a similarity score and matched web links.

How to use Plagiarism Checker

  1. 1

    Paste eligible text

    Enter content you have permission to send.

  2. 2

    Confirm permission

    Check the consent box and start Check originality.

  3. 3

    Review reported sources

    Open relevant matches and check the context.

Formats and practical limits

Pasted text and consent → asynchronous similarity and source report

  • Input is limited to 20,000 characters and results depend on provider readiness and coverage.
  • A score does not prove plagiarism or originality. Simulated sandbox results are labeled.

Practical example

Submit a nonconfidential sample with a known attributed quote, then compare any returned matches with the citation.

Further reading

Frequently Asked Questions

1 answers
Does a low score establish originality?

A report covers only sources checked by the service and requires contextual review.